<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <style type="text/css">
        .top-nav
        {
            font-size: 12px;
            font-weight: bold;
            list-style: none;
            border-bottom: 8px solid #DC4E1B;
            overflow: auto;
        }
        .top-nav li
        {
            float: left;
            margin-right: 1px;
        }
        .top-nav li a
        {
            line-height: 20px;
            text-decoration: none;
            background: #DDDDDD;
            color: #666666;
            display: block;
            width: 80px;
            text-align: center;
        }
       
        /*设置正常状态英文菜单隐藏*/
        .top-nav li a span{
            display:none;
        }
        
        /*鼠标移动到链接上面时将英文菜单显示*/
        
         .top-nav li a:hover span{
                display: block;
                 background: #DC4E1B;
                 color:White;
         }
        /*鼠标移动到链接上面时将中文菜单位置上移*/
        .top-nav li a:hover{
            margin-top:-20px;
        }

 
    </style>
</head>
<body>
    <ul class="top-nav">
        <li><a href="#">首页<span>Home</span></a></li>
        <li><a href="#">课程大厅<span>Course</span></a></li>
        <li><a href="#">学习中心<span>Learn</span></a></li>
        <li><a href="#">关于我们<span>About</span></a></li>
    </ul>
</body>
</html>